code: def test_shard_input_as_output(self):
      mesh = jtu.create_global_mesh((4,), ("x",))
      np_inp = np.arange(8.0)
      s = NamedSharding(mesh, P("x"))
  
      @jax.jit
      def f(x):
          y = jax.lax.with_sharding_constraint(x, s)
          z = y * 2
          return shard_alike(x, z)
  
      with jtu.count_pjit_cpp_cache_miss() as count:
          f(np_inp)
          out1, out2 = f(np_inp)
      self.assertEqual(count[0], 1)
      self.assertTrue(s.is_equivalent_to(out1.sharding, np_inp.ndim))
      self.assertTrue(s.is_equivalent_to(out2.sharding, np_inp.ndim))
  
      @jax.jit
      def g(x):
          z = x * 2
          return shard_alike(x, z)
  
      arr = jax.device_put(np_inp, s)
      with jtu.count_pjit_cpp_cache_miss() as count:
          g(arr)
          out3, out4 = g(arr)
      self.assertEqual(count[0], 1)
      self.assertEqual(out3.sharding, s)
      self.assertEqual(out4.sharding, s)
  
imports: import os
  import jax
  import jax.numpy
  import numpy
  from absl.testing import absltest
  from jax._src import xla_bridge
  from jax._src import test_util
  from jax.sharding import NamedSharding, PartitionSpec
  from jax.experimental.shard_alike import shard_alike
  from jax.experimental.shard_map import shard_map
  from jax._src.lib import xla_extension_version
  from jax import config
label_desc: Use image node_id 10 for calling the ShardAlikeTest obj's underlying member method code with example usage: obj.test_shard_input_as_output() and returns: shard_alike, shard_alike